Finding the Fourth Proportional to 355,058.40, 532,590.30 and 118,400.70
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Solution
The fourth proportional to 355,058.40, 532,590.30 and 118,400.70 is: 177,601.95
Step by Step Solution
- Step 1: Write the proportion equation
355,058.40 : 532,590.30 = 118,400.70 : x - Step 2: Convert to fraction form
355,058.40/532,590.30 = 118,400.70/x - Step 3: Cross multiply
355,058.40x = 532,590.30 × 118,400.70 - Step 4: Simplify right side
355,058.40x = 63,059,064,333.21 - Step 5: Solve for x
x = 63,059,064,333.21/355,058.40 - Step 6: Final answer
x = 177,601.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.